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  • Title: Directed air flow to reduce airborne particulate and bacterial contamination in the surgical field during total hip arthroplasty.
    Author: Stocks GW, O'Connor DP, Self SD, Marcek GA, Thompson BL.
    Journal: J Arthroplasty; 2011 Aug; 26(5):771-6. PubMed ID: 20851565.
    Abstract:
    This study evaluated the use of a system that delivers a small field of local, directed air from a high-efficiency particulate air (HEPA) filter to reduce airborne particulate and airborne bacteria in the surgical field during total hip arthroplasty. Thirty-six patients were randomized into 3 groups: with directed air flow, with the directed air flow system present but turned off, and control. Airborne particulate and bacteria were collected from within 5 cm of the surgical wound. All particulate and bacterial counts at the surgical site were significantly lower in the directed air flow group (P < .001). The directed air flow system was effective in reducing airborne particulate and colony-forming units in the surgical field during total hip arthroplasty.
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